* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
/****************** on-disk files *********************/
-#define MDT_LOGS_DIR "LOGS" /* COMPAT_146 */
-#define MOUNT_CONFIGS_DIR "CONFIGS"
-#define CONFIGS_FILE "mountdata"
+#define MDT_LOGS_DIR "LOGS" /* COMPAT_146 */
+#define MOUNT_CONFIGS_DIR "CONFIGS"
+#define CONFIGS_FILE "mountdata"
/** Persistent mount data are stored on the disk in this file. */
-#define MOUNT_DATA_FILE MOUNT_CONFIGS_DIR"/"CONFIGS_FILE
-#define LAST_RCVD "last_rcvd"
-#define LOV_OBJID "lov_objid"
-#define HEALTH_CHECK "health_check"
-#define CAPA_KEYS "capa_keys"
-#define CHANGELOG_USERS "changelog_users"
-#define MGS_NIDTBL_DIR "NIDTBL_VERSIONS"
-#define QMT_DIR "quota_master"
-#define QSD_DIR "quota_slave"
+#define MOUNT_DATA_FILE MOUNT_CONFIGS_DIR"/"CONFIGS_FILE
+#define LAST_RCVD "last_rcvd"
+#define LOV_OBJID "lov_objid"
+#define LOV_OBJSEQ "lov_objseq"
+#define HEALTH_CHECK "health_check"
+#define CAPA_KEYS "capa_keys"
+#define CHANGELOG_USERS "changelog_users"
+#define MGS_NIDTBL_DIR "NIDTBL_VERSIONS"
+#define QMT_DIR "quota_master"
+#define QSD_DIR "quota_slave"
+#define HSM_ACTIONS "hsm_actions"
+#define LFSCK_DIR "LFSCK"
+#define LFSCK_BOOKMARK "lfsck_bookmark"
+#define LFSCK_LAYOUT "lfsck_layout"
+#define LFSCK_NAMESPACE "lfsck_namespace"
/****************** persistent mount data *********************/
#define LDD_F_IR_CAPABLE 0x2000
/** the MGS refused to register the target. */
#define LDD_F_ERROR 0x4000
+/** process at lctl conf_param */
+#define LDD_F_PARAM2 0x8000
/* opc for target register */
#define LDD_F_OPC_REG 0x10000000
/*8192*/char ldd_params[4096]; /* key=value pairs */
};
+
#define IS_MDT(data) ((data)->lsi_flags & LDD_F_SV_TYPE_MDT)
#define IS_OST(data) ((data)->lsi_flags & LDD_F_SV_TYPE_OST)
#define IS_MGS(data) ((data)->lsi_flags & LDD_F_SV_TYPE_MGS)
#define IS_SERVER(data) ((data)->lsi_flags & (LDD_F_SV_TYPE_MGS | \
- LDD_F_SV_TYPE_MDT | LDD_F_SV_TYPE_OST))
-#define MT_STR(data) mt_str((data)->ldd_mount_type)
+ LDD_F_SV_TYPE_MDT | LDD_F_SV_TYPE_OST))
+#define MT_STR(data) mt_str((data)->ldd_mount_type)
/* Make the mdt/ost server obd name based on the filesystem name */
static inline int server_make_name(__u32 flags, __u16 index, char *fs,
return 0;
}
-/* Get the index from the obd name */
-int server_name2index(char *svname, __u32 *idx, char **endptr);
-int server_name2svname(char *label, char *svname, char **endptr);
-
-
/****************** mount command *********************/
/* The lmd is only used internally by Lustre; mount simply passes
everything as string options */
-#define LMD_MAGIC 0xbdacbd03
+#define LMD_MAGIC 0xbdacbd03
+#define LMD_PARAMS_MAXLEN 4096
/* gleaned from the mount command - no persistent info here */
struct lustre_mount_data {
char *lmd_osd_type; /* OSD type */
};
-#define LMD_FLG_SERVER 0x0001 /* Mounting a server */
-#define LMD_FLG_CLIENT 0x0002 /* Mounting a client */
-#define LMD_FLG_ABORT_RECOV 0x0008 /* Abort recovery */
-#define LMD_FLG_NOSVC 0x0010 /* Only start MGS/MGC for servers,
- no other services */
-#define LMD_FLG_NOMGS 0x0020 /* Only start target for servers, reusing
- existing MGS services */
-#define LMD_FLG_WRITECONF 0x0040 /* Rewrite config log */
-#define LMD_FLG_NOIR 0x0080 /* NO imperative recovery */
-#define LMD_FLG_NOSCRUB 0x0100 /* Do not trigger scrub automatically */
-#define LMD_FLG_MGS 0x0200 /* Also start MGS along with server */
-#define LMD_FLG_IAM 0x0400 /* IAM dir */
-#define LMD_FLG_NO_PRIMNODE 0x0800 /* all nodes are service nodes */
-#define LMD_FLG_VIRGIN 0x1000 /* the service registers first time */
+#define LMD_FLG_SERVER 0x0001 /* Mounting a server */
+#define LMD_FLG_CLIENT 0x0002 /* Mounting a client */
+#define LMD_FLG_ABORT_RECOV 0x0008 /* Abort recovery */
+#define LMD_FLG_NOSVC 0x0010 /* Only start MGS/MGC for servers,
+ no other services */
+#define LMD_FLG_NOMGS 0x0020 /* Only start target for servers, reusing
+ existing MGS services */
+#define LMD_FLG_WRITECONF 0x0040 /* Rewrite config log */
+#define LMD_FLG_NOIR 0x0080 /* NO imperative recovery */
+#define LMD_FLG_NOSCRUB 0x0100 /* Do not trigger scrub automatically */
+#define LMD_FLG_MGS 0x0200 /* Also start MGS along with server */
+#define LMD_FLG_IAM 0x0400 /* IAM dir */
+#define LMD_FLG_NO_PRIMNODE 0x0800 /* all nodes are service nodes */
+#define LMD_FLG_VIRGIN 0x1000 /* the service registers first time */
+#define LMD_FLG_UPDATE 0x2000 /* update parameters */
+#define LMD_FLG_HSM 0x4000 /* Start coordinator */
#define lmd_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT)
/*
* This limit is arbitrary (131072 clients on x86), but it is convenient to use
- * 2^n * CFS_PAGE_SIZE * 8 for the number of bits that fit an order-n allocation.
+ * 2^n * PAGE_CACHE_SIZE * 8 for the number of bits that fit an order-n allocation.
* If we need more than 131072 clients (order-2 allocation on x86) then this
* should become an array of single-page pointers that are allocated on demand.
*/
-#if (128 * 1024UL) > (CFS_PAGE_SIZE * 8)
+#if (128 * 1024UL) > (PAGE_CACHE_SIZE * 8)
#define LR_MAX_CLIENTS (128 * 1024UL)
#else
-#define LR_MAX_CLIENTS (CFS_PAGE_SIZE * 8)
+#define LR_MAX_CLIENTS (PAGE_CACHE_SIZE * 8)
#endif
/** COMPAT_146: this is an OST (temporary) */
#define OBD_COMPAT_20 0x00000008
/** MDS handles LOV_OBJID file */
-#define OBD_ROCOMPAT_LOVOBJID 0x00000001
+#define OBD_ROCOMPAT_LOVOBJID 0x00000001
+/** store OST index in the IDIF */
+#define OBD_ROCOMPAT_IDX_IN_IDIF 0x00000002
/** OST handles group subdirs */
#define OBD_INCOMPAT_GROUPS 0x00000001
__u64 lsd_catalog_oid; /* recovery catalog object id */
__u32 lsd_catalog_ogen; /* recovery catalog inode generation */
__u8 lsd_peeruuid[40]; /* UUID of MDS associated with this OST */
- __u32 lsd_ost_index; /* index number of OST in LOV */
- __u32 lsd_mdt_index; /* index number of MDT in LMV */
+ __u32 lsd_osd_index; /* index number of OST in LOV */
+ __u32 lsd_padding1; /* was lsd_mdt_index, unused in 2.4.0 */
__u32 lsd_start_epoch; /* VBR: start epoch from last boot */
/** transaction values since lsd_trans_table_time */
__u64 lsd_trans_table[LR_EXPIRE_INTERVALS];
static inline void check_lcd(char *obd_name, int index,
struct lsd_client_data *lcd)
{
- int length = sizeof(lcd->lcd_uuid);
+ size_t length = sizeof(lcd->lcd_uuid);
if (strnlen((char*)lcd->lcd_uuid, length) == length) {
lcd->lcd_uuid[length - 1] = '\0';
static inline void lsd_le_to_cpu(struct lr_server_data *buf,
struct lr_server_data *lsd)
{
- int i;
- memcpy(lsd->lsd_uuid, buf->lsd_uuid, sizeof (lsd->lsd_uuid));
- lsd->lsd_last_transno = le64_to_cpu(buf->lsd_last_transno);
- lsd->lsd_compat14 = le64_to_cpu(buf->lsd_compat14);
- lsd->lsd_mount_count = le64_to_cpu(buf->lsd_mount_count);
- lsd->lsd_feature_compat = le32_to_cpu(buf->lsd_feature_compat);
- lsd->lsd_feature_rocompat = le32_to_cpu(buf->lsd_feature_rocompat);
- lsd->lsd_feature_incompat = le32_to_cpu(buf->lsd_feature_incompat);
- lsd->lsd_server_size = le32_to_cpu(buf->lsd_server_size);
- lsd->lsd_client_start = le32_to_cpu(buf->lsd_client_start);
- lsd->lsd_client_size = le16_to_cpu(buf->lsd_client_size);
- lsd->lsd_subdir_count = le16_to_cpu(buf->lsd_subdir_count);
- lsd->lsd_catalog_oid = le64_to_cpu(buf->lsd_catalog_oid);
- lsd->lsd_catalog_ogen = le32_to_cpu(buf->lsd_catalog_ogen);
- memcpy(lsd->lsd_peeruuid, buf->lsd_peeruuid, sizeof(lsd->lsd_peeruuid));
- lsd->lsd_ost_index = le32_to_cpu(buf->lsd_ost_index);
- lsd->lsd_mdt_index = le32_to_cpu(buf->lsd_mdt_index);
- lsd->lsd_start_epoch = le32_to_cpu(buf->lsd_start_epoch);
- for (i = 0; i < LR_EXPIRE_INTERVALS; i++)
- lsd->lsd_trans_table[i] = le64_to_cpu(buf->lsd_trans_table[i]);
- lsd->lsd_trans_table_time = le32_to_cpu(buf->lsd_trans_table_time);
- lsd->lsd_expire_intervals = le32_to_cpu(buf->lsd_expire_intervals);
+ int i;
+ memcpy(lsd->lsd_uuid, buf->lsd_uuid, sizeof(lsd->lsd_uuid));
+ lsd->lsd_last_transno = le64_to_cpu(buf->lsd_last_transno);
+ lsd->lsd_compat14 = le64_to_cpu(buf->lsd_compat14);
+ lsd->lsd_mount_count = le64_to_cpu(buf->lsd_mount_count);
+ lsd->lsd_feature_compat = le32_to_cpu(buf->lsd_feature_compat);
+ lsd->lsd_feature_rocompat = le32_to_cpu(buf->lsd_feature_rocompat);
+ lsd->lsd_feature_incompat = le32_to_cpu(buf->lsd_feature_incompat);
+ lsd->lsd_server_size = le32_to_cpu(buf->lsd_server_size);
+ lsd->lsd_client_start = le32_to_cpu(buf->lsd_client_start);
+ lsd->lsd_client_size = le16_to_cpu(buf->lsd_client_size);
+ lsd->lsd_subdir_count = le16_to_cpu(buf->lsd_subdir_count);
+ lsd->lsd_catalog_oid = le64_to_cpu(buf->lsd_catalog_oid);
+ lsd->lsd_catalog_ogen = le32_to_cpu(buf->lsd_catalog_ogen);
+ memcpy(lsd->lsd_peeruuid, buf->lsd_peeruuid, sizeof(lsd->lsd_peeruuid));
+ lsd->lsd_osd_index = le32_to_cpu(buf->lsd_osd_index);
+ lsd->lsd_padding1 = le32_to_cpu(buf->lsd_padding1);
+ lsd->lsd_start_epoch = le32_to_cpu(buf->lsd_start_epoch);
+ for (i = 0; i < LR_EXPIRE_INTERVALS; i++)
+ lsd->lsd_trans_table[i] = le64_to_cpu(buf->lsd_trans_table[i]);
+ lsd->lsd_trans_table_time = le32_to_cpu(buf->lsd_trans_table_time);
+ lsd->lsd_expire_intervals = le32_to_cpu(buf->lsd_expire_intervals);
}
static inline void lsd_cpu_to_le(struct lr_server_data *lsd,
struct lr_server_data *buf)
{
- int i;
- memcpy(buf->lsd_uuid, lsd->lsd_uuid, sizeof (buf->lsd_uuid));
- buf->lsd_last_transno = cpu_to_le64(lsd->lsd_last_transno);
- buf->lsd_compat14 = cpu_to_le64(lsd->lsd_compat14);
- buf->lsd_mount_count = cpu_to_le64(lsd->lsd_mount_count);
- buf->lsd_feature_compat = cpu_to_le32(lsd->lsd_feature_compat);
- buf->lsd_feature_rocompat = cpu_to_le32(lsd->lsd_feature_rocompat);
- buf->lsd_feature_incompat = cpu_to_le32(lsd->lsd_feature_incompat);
- buf->lsd_server_size = cpu_to_le32(lsd->lsd_server_size);
- buf->lsd_client_start = cpu_to_le32(lsd->lsd_client_start);
- buf->lsd_client_size = cpu_to_le16(lsd->lsd_client_size);
- buf->lsd_subdir_count = cpu_to_le16(lsd->lsd_subdir_count);
- buf->lsd_catalog_oid = cpu_to_le64(lsd->lsd_catalog_oid);
- buf->lsd_catalog_ogen = cpu_to_le32(lsd->lsd_catalog_ogen);
- memcpy(buf->lsd_peeruuid, lsd->lsd_peeruuid, sizeof(buf->lsd_peeruuid));
- buf->lsd_ost_index = cpu_to_le32(lsd->lsd_ost_index);
- buf->lsd_mdt_index = cpu_to_le32(lsd->lsd_mdt_index);
- buf->lsd_start_epoch = cpu_to_le32(lsd->lsd_start_epoch);
- for (i = 0; i < LR_EXPIRE_INTERVALS; i++)
- buf->lsd_trans_table[i] = cpu_to_le64(lsd->lsd_trans_table[i]);
- buf->lsd_trans_table_time = cpu_to_le32(lsd->lsd_trans_table_time);
- buf->lsd_expire_intervals = cpu_to_le32(lsd->lsd_expire_intervals);
+ int i;
+ memcpy(buf->lsd_uuid, lsd->lsd_uuid, sizeof(buf->lsd_uuid));
+ buf->lsd_last_transno = cpu_to_le64(lsd->lsd_last_transno);
+ buf->lsd_compat14 = cpu_to_le64(lsd->lsd_compat14);
+ buf->lsd_mount_count = cpu_to_le64(lsd->lsd_mount_count);
+ buf->lsd_feature_compat = cpu_to_le32(lsd->lsd_feature_compat);
+ buf->lsd_feature_rocompat = cpu_to_le32(lsd->lsd_feature_rocompat);
+ buf->lsd_feature_incompat = cpu_to_le32(lsd->lsd_feature_incompat);
+ buf->lsd_server_size = cpu_to_le32(lsd->lsd_server_size);
+ buf->lsd_client_start = cpu_to_le32(lsd->lsd_client_start);
+ buf->lsd_client_size = cpu_to_le16(lsd->lsd_client_size);
+ buf->lsd_subdir_count = cpu_to_le16(lsd->lsd_subdir_count);
+ buf->lsd_catalog_oid = cpu_to_le64(lsd->lsd_catalog_oid);
+ buf->lsd_catalog_ogen = cpu_to_le32(lsd->lsd_catalog_ogen);
+ memcpy(buf->lsd_peeruuid, lsd->lsd_peeruuid, sizeof(buf->lsd_peeruuid));
+ buf->lsd_osd_index = cpu_to_le32(lsd->lsd_osd_index);
+ buf->lsd_padding1 = cpu_to_le32(lsd->lsd_padding1);
+ buf->lsd_start_epoch = cpu_to_le32(lsd->lsd_start_epoch);
+ for (i = 0; i < LR_EXPIRE_INTERVALS; i++)
+ buf->lsd_trans_table[i] = cpu_to_le64(lsd->lsd_trans_table[i]);
+ buf->lsd_trans_table_time = cpu_to_le32(lsd->lsd_trans_table_time);
+ buf->lsd_expire_intervals = cpu_to_le32(lsd->lsd_expire_intervals);
}
static inline void lcd_le_to_cpu(struct lsd_client_data *buf,
struct ll_sb_info;
struct lustre_sb_info {
- int lsi_flags;
- struct obd_device *lsi_mgc; /* mgc obd */
- struct lustre_mount_data *lsi_lmd; /* mount command info */
- struct ll_sb_info *lsi_llsbi; /* add'l client sbi info */
+ int lsi_flags;
+ struct obd_device *lsi_mgc; /* mgc obd */
+ struct lustre_mount_data *lsi_lmd; /* mount command info */
+ struct ll_sb_info *lsi_llsbi; /* add'l client sbi info */
struct dt_device *lsi_dt_dev; /* dt device to access disk fs*/
- struct vfsmount *lsi_srv_mnt; /* the one server mount */
- cfs_atomic_t lsi_mounts; /* references to the srv_mnt */
+ atomic_t lsi_mounts; /* references to the srv_mnt */
char lsi_svname[MTI_NAME_MAXLEN];
char lsi_osd_obdname[64];
char lsi_osd_uuid[64];
struct obd_export *lsi_osd_exp;
char lsi_osd_type[16];
char lsi_fstype[16];
- struct backing_dev_info lsi_bdi; /* each client mountpoint needs
- own backing_dev_info */
+ struct backing_dev_info lsi_bdi; /* each client mountpoint needs
+ own backing_dev_info */
+ struct list_head lsi_lwp_list;
+ spinlock_t lsi_lwp_lock;
+ unsigned long lsi_lwp_started:1;
};
#define LSI_UMOUNT_FAILOVER 0x00200000
/****************** mount lookup info *********************/
struct lustre_mount_info {
- char *lmi_name;
- struct super_block *lmi_sb;
- struct vfsmount *lmi_mnt;
- cfs_list_t lmi_list_chain;
+ char *lmi_name;
+ struct super_block *lmi_sb;
+ struct list_head lmi_list_chain;
};
-/* on-disk structure describing local object OIDs storage
- * the structure to be used with any sequence managed by
- * local object library */
-struct los_ondisk {
- __u32 lso_magic;
- __u32 lso_next_oid;
-};
-
-#define LOS_MAGIC 0xdecafbee
-
/****************** prototypes *********************/
#ifdef __KERNEL__
-
/* obd_mount.c */
+int server_name2fsname(const char *svname, char *fsname, const char **endptr);
+int server_name2svname(const char *label, char *svname, const char **endptr,
+ size_t svsize);
+int server_name_is_ost(const char *svname);
+int target_name2index(const char *svname, __u32 *idx, const char **endptr);
+
+int lustre_put_lsi(struct super_block *sb);
+int lustre_start_simple(char *obdname, char *type, char *uuid,
+ char *s1, char *s2, char *s3, char *s4);
+int lustre_start_mgc(struct super_block *sb);
void lustre_register_client_fill_super(int (*cfs)(struct super_block *sb,
- struct vfsmount *mnt));
+ struct vfsmount *mnt));
void lustre_register_kill_super_cb(void (*cfs)(struct super_block *sb));
-
-
int lustre_common_put_super(struct super_block *sb);
-struct lustre_mount_info *server_find_mount_locked(const char *name);
+
+# ifdef HAVE_SERVER_SUPPORT
+/* obd_mount_server.c */
+int server_fill_super(struct super_block *sb);
struct lustre_mount_info *server_get_mount(const char *name);
-struct lustre_mount_info *server_get_mount_2(const char *name);
-int server_put_mount(const char *name, struct vfsmount *mnt);
-int server_put_mount_2(const char *name, struct vfsmount *mnt);
+int server_put_mount(const char *name, bool dereg_mnt);
struct mgs_target_info;
-int server_mti_print(char *title, struct mgs_target_info *mti);
+int server_mti_print(const char *title, struct mgs_target_info *mti);
void server_calc_timeout(struct lustre_sb_info *lsi, struct obd_device *obd);
+# endif
-/* mgc_request.c */
int mgc_fsname2resid(char *fsname, struct ldlm_res_id *res_id, int type);
-
-#endif
+#endif /* __KERNEL__ */
/** @} disk */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff